The Patent Finder

Sun Nuclear Corp.

34 patents currently held · Updated Nov 14, 2026
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 3 name spellings.

3
Ending by 2030
Apr 2029
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Dec 9, 2026
    The maintenance fee for System and method for radiation beam measurement normalization (US 9,050,460) comes due Dec 9, 2026. Unpaid by Jun 9, 2027, it lapses early.
  • 1 fee due Feb 4, 2027
    The maintenance fee for Support apparatus for radiotherapy measurement system (US 9,097,384) comes due Feb 4, 2027. Unpaid by Aug 4, 2027, it lapses early.
  • 1 fee due Apr 24, 2027
    The maintenance fee for Radiation therapy treatment verification with electronic portal imaging device transit images (US 11,794,037) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
  • 1 fee due Jun 1, 2027
    The maintenance fee for Computed tomography perfusion phantom and method use thereof (US 9,198,633) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
  • 1 fee due Jul 2, 2027
    The maintenance fee for Image-based radiation therapy quality assurance (US 11,861,845) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
  • 1 fee due Sep 24, 2027
    The maintenance fee for Beam angle direction determination (US 10,596,394) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, it lapses early.
  • 1 fee due Oct 14, 2027
    The maintenance fee for Radiation detector calibration (US 10,617,891) comes due Oct 14, 2027. Unpaid by Apr 14, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 7,945,022Radiation therapy plan dose perturbation system and method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,044,359Three dimensional dosimetry using solid array geometry
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,077,328Variable color incoherent alignment line and cross-hair generator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,321,179Multiple axes scanning system and method for measuring radiation from a radiation source
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,198,633Computed tomography perfusion phantom and method use thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,097,384Support apparatus for radiotherapy measurement system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,050,460System and method for radiation beam measurement normalization
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,561,388System and method for radiation beam measurement normalization
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,927,921Systems and methods for composite dose quality assurance with three dimensional arrays
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,463,336Benchmark system for radiation therapy planning
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 34 patents shown.
Pro members see all 34.
Pro members: see all 34 patents
Also on record, not counted in the 34: 2 patents in force now held by others · 2 lapsed for an unpaid fee · 2 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

6 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited